メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.61019703218 43.2988426203034, 144.609284744602 43.2990540013238, 144.608901384391 43.2981792839202, 144.608862686138 43.2980998431573, 144.608795325074 43.2979614307096, 144.608765716005 43.297878005531, 144.607883040356 43.2970675258582, 144.607665103299 43.2965657624715, 144.608964086982 43.2961122366088, 144.609383561427 43.2970895844705, 144.609798102061 43.2979788464937, 144.610075975695 43.2985807740464, 144.61019703218 43.2988426203034)) ^^http://www.opengis.net/ont/geosparql#wktLiteral